Inside T'Pol's Quarters, Enterprise's resident Vulcan is in her sleepware, sat crossed legged on her bunk reading some ancient book.

The chime goes. She puts down the weighty hardback and moves toward the door. Pressing the button, it opens to reveal Sim standing outside. He's in a flightsuit. A lighter, more faded blue kind than your standard Earth Starfleet one... without patches, department or rank markings.

Sim: "Can I come in?"

T'Pol silently moves aside in reply. Sim has slowly reached the centre of the room by the end of his next sentence.